quantum-espresso/Doc/nomefile.upf

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Name of UPF PP files: "atomic symbol"."description".UPF
Table of description fields and their meaning
(fields are separated by a dash):
field 1 (optional)
rel = full-relativistic
starNl = one core-hole in Nl state
starhNl= half core-hole in Nl state
(Nl = 1s 2s 2p 3s 3p 3d 4s 4p 4d 4f 5s 5p 5d 6s 6p)
field 2
One among the following
pz = Perdew-Zunger (LDA) exch-corr
vwn = Vosko-Wilk-Nusair (LDA) exch-corr
pbe = Perdew-Burke-Erzerhof (PBE) exch-corr
blyp = Becke-Lee-Yang-Parr (BLYP) exch-corr
pw91 = Perdew-Wang 91 gradient-corrected functional
tpss = Tao-Perdew-Staroverov-Scuseria (TPSS) meta-GGA
field 3 (optional)
Any meaningful combination (i.e. sp) of:
s = semicore state s in valence
p = semicore state p in valence
d = semicore state d in valence
f = valence f state in core
n = nonlinear core-correction
field 4
One among the following
mt = Martins-Troullier
bhs = Bachelet-Hamann-Schlueter and derived
vbc = Von Barth-Car (direct fit)
van = Vanderbilt ultrasoft
rrkj = Rabe Rappe Kaxiras Joannopoulos (norm-conserving)
rrkjus= Rabe Rappe Kaxiras Joannopoulos (ultrasoft)